8195540 has 12 divisors (see below), whose sum is σ = 17210676. Its totient is φ = 3278208.

The previous prime is 8195527. The next prime is 8195543. The reversal of 8195540 is 455918.

It can be written as a sum of positive squares in 2 ways, for example, as 948676 + 7246864 = 974^2 + 2692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8195497 and 8195506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8195543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204869 + ... + 204908.

It is an arithmetic number, because the mean of its divisors is an integer number (1434223).

Almost surely, 2^8195540 is an apocalyptic number.

It is an amenable number.

8195540 is an abundant number, since it is smaller than the sum of its proper divisors (9015136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8195540 is a wasteful number, since it uses less digits than its factorization.

8195540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409786 (or 409784 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 8195540 is about 2862.7853569557. The cubic root of 8195540 is about 201.6164010445.

The spelling of 8195540 in words is "eight million, one hundred ninety-five thousand, five hundred forty".